Home / 40,784,739-56,284,424.96-22,198,981.47

Finding the Fourth Proportional to 40,784,739, 56,284,424.96 and 22,198,981.47

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Solution

The fourth proportional to 40,784,739, 56,284,424.96 and 22,198,981.47 is: 30,635,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784,739 : 56,284,424.96 = 22,198,981.47 : x
  2. Step 2: Convert to fraction form
    40,784,739/56,284,424.96 = 22,198,981.47/x
  3. Step 3: Cross multiply
    40,784,739x = 56,284,424.96 × 22,198,981.47
  4. Step 4: Simplify right side
    40,784,739x = 1,249,456,906,625,650.50
  5. Step 5: Solve for x
    x = 1,249,456,906,625,650.50/40,784,739
  6. Step 6: Final answer
    x = 30,635,402.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.